ZNC up to 1.9.0 modtcl code injection

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in ZNC up to 1.9.0. This vulnerability affects unknown code of the component modtcl. The manipulation results in Remote Privilege Escalation. This vulnerability is identified as CVE-2024-39844. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in ZNC up to 1.9.0. Affected is an unknown functionality of the component modtcl. The manipulation with an unknown input leads to a remote privilege escalation vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at wiki.znc.in. This vulnerability is traded as CVE-2024-39844 since 06/29/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 211271 (Fedora 41 : znc / znc-clientbuffer / znc-push (2024-1c078a4771)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.9.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (211271). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (MITRE): 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211271
Nessus Name: Fedora 41 : znc / znc-clientbuffer / znc-push (2024-1c078a4771)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ZNC 1.9.1

Timelineinfo

06/29/2024 🔍
07/03/2024 +4 days 🔍
07/03/2024 +0 days 🔍
11/16/2024 +136 days 🔍

Sourcesinfo

Advisory: wiki.znc.in
Status: Confirmed

CVE: CVE-2024-39844 (🔍)
GCVE (CVE): GCVE-0-2024-39844
GCVE (VulDB): GCVE-100-270306

Entryinfo

Created: 07/03/2024 19:04
Updated: 11/16/2024 12:29
Changes: 07/03/2024 19:04 (51), 07/08/2024 21:36 (12), 11/16/2024 12:29 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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